Khan/khan-exercises — Issue #7562: Equation of a hyperbola - won't check answer
Author: KhanBugz
Created: 2011-12-02 14:57:06+00:00
State: open
Labels: ie8, other, xp

I type in the answer but nothing happens when I press "Check Answer". Everything else works fine.

[equation_of_a_hyperbola.html?seed=182&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/equation_of_a_hyperbola.html?seed=182&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/equation_of_a_hyperbola.html?seed=182&problem=0&debug&activity=%5B%5D)

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